2. Trumom Electric Breast Pump(Click Link to Check Price on Amazon)Editor’s Rating : 9.5 out of 10BEST TECHNOLOGY:: Unique 3 phase expression designed for faster let down and milk flow. Trumom electric breast pump mimics a baby’s natural nursing rhythm precisely. It works on on baby’s natural suckling action. Start with our unique “Massage Mode” to make the breast tender followed by “Stimulation Mode” and finally “Expression”. Massage mode is designed to increase the milk flow. Use the pump multiple times a day (example 2 to 3 times a day) to also help the body produce more milk.IN THE BOX:Get Main Unit, Electrical Part, Baby Calming Bottle Nipple, Nipple Cap, Air tube, 6V AC Adapter, User Manual and 4 AA Batteries. The product is extremely easy to assemble and gives noise free operation. All parts made of high quality baby safe BPA free plastic .The product is designed for everyday pumping. FLANGE SIZE IS 24 MM.